SUBJ: GPS STATUS 21 MAR 2002 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15 PLANE : SLOT F4, B5, C2, D4, B4, C1, C4, A3, A1, E3, D2, F3, F1, D5 CLOCK : CS, CS, CS, RB, CS, CS, RB, RB, CS, CS, RB, RB, RB, CS BLOCK II: PRNS 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 PLANE : SLOT D3, E4, E1, E2, B1, E5, D1, A2, F2, A4, B3, F5, B2, C3 CLOCK : RB, RB, RB, CS, RB, CS, CS, CS, RB, CS, RB, RB, RB, CS 2. CURRENT ADVISORIES AND FORECASTS : A. FORECASTS: FOR SEVEN DAYS AFTER EVENT CONCLUDES. NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2002027 132231Z FEB 2002 23 FCSTMX 052/2215-053/1015 2002029 201519Z FEB 2002 06 FCSTDV 057/1945-058/0745 2002030 202321Z FEB 2002 18 FCSTMX 059/0000-059/1200 2002031 220419Z FEB 2002 23 FCSTSUMM 052/2240-053/0407 2002032 270235Z FEB 2002 06 FCSTSUMM 057/2022-058/0240 2002033 280509Z FEB 2002 18 FCSTSUMM 059/0057-059/0507 2002034 052145Z MAR 2002 22 FCSTMX 077/2100-078/0900 2002035 062000Z MAR 2002 02 FCSTMX 300/0000-300/1200 2002036 062003Z MAR 2002 02 FCSTCANC 300/0000-/ 2002039 190852Z MAR 2002 22 FCSTSUMM 077/2201-078/0847 2002040 192027Z MAR 2002 18 FCSTMX 084/2200-085/1000 2002041 192201Z MAR 2002 30 FCSTDV 085/1030-085/2230 B. ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2002037 091837Z MAR 2002 24 UNUSUFN 068/1822-/ 2002038 091859Z MAR 2002 24 UNUSABLE 068/1822-068/1838 C. GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 3. REMARKS: A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS SUPPORT CENTER AT (719)567-2541 OR DSN 560-2541. B. CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT COMMERCIAL (703)313-5900 24 HOURS DAILY AND INTERNET HTTP://WWW.NAVCEN.USCG.GOV C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING WWW.SCHRIEVER.AF.MIL/GPS OR WWW.PETERSON.AF.MIL/USSPACE/GPS_SUPPORT